Auth bypass in Seiko-Sol Skybridge Mb-A100
CVE-2023-23906
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.
Vulnerability class: Broken Authentication
EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Seiko-sol Skybridge_mb-a100
- Seiko-sol Skybridge_mb-a100_firmware
- Seiko-sol Skybridge_mb-a110
- Seiko-sol Skybridge_mb-a110_firmware
- Seiko Solutions Inc. Skybridge Mb-a100/110 — versions firmware Ver. 4.2.0 and earlier
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (Vendor Advisory)
- vultures@jpcert.or.jp (Product)
- vultures@jpcert.or.jp (Product)
- vultures@jpcert.or.jp (Product)
- vultures@jpcert.or.jp (Product)
- vultures@jpcert.or.jp (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-23906?
- CVE-2023-23906 is a high-severity vulnerability in Seiko-Sol Skybridge Mb-A100, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-05-10.
- How severe is CVE-2023-23906?
- High severity. CVSS v3 base score is 7.5 out of 10.